blob: 62075f6bc67ca4ad74ea91bc9a5b43c451fad653 [file] [log] [blame]
/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
2004, 2005, 2006
Free Software Foundation, Inc.
This file is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combine
This file is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
!! libgcc routines for the Renesas / SuperH SH CPUs.
!! Contributed by Steve Chamberlain.
!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
!! recoded in assembly by Toshiyasu Morita
/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
ELF local label prefixes by J"orn Rennecke */
.balign 4
.global __movmem
.global __movstr
.set __movstr, __movmem
/* This would be a lot simpler if r6 contained the byte count
minus 64, and we wouldn't be called here for a byte count of 64. */
sts.l pr,@-r15
shll2 r6
bsr __movmemSI52+2
mov.l @(48,r5),r0
.balign 4
movmem_loop: /* Reached with rts */
mov.l @(60,r5),r0
add #-64,r6
mov.l r0,@(60,r4)
tst r6,r6
mov.l @(56,r5),r0
bt movmem_done
mov.l r0,@(56,r4)
cmp/pl r6
mov.l @(52,r5),r0
add #64,r5
mov.l r0,@(52,r4)
add #64,r4
bt __movmemSI52
! done all the large groups, do the remainder
! jump to movmem+
mova __movmemSI4+4,r0
add r6,r0
jmp @r0
movmem_done: ! share slot insn, works out aligned.
lds.l @r15+,pr
mov.l r0,@(56,r4)
mov.l @(52,r5),r0
mov.l r0,@(52,r4)
.balign 4
.global __movmemSI64
.global __movstrSI64
.set __movstrSI64, __movmemSI64
mov.l @(60,r5),r0
mov.l r0,@(60,r4)
.global __movmemSI60
.global __movstrSI60
.set __movstrSI60, __movmemSI60
mov.l @(56,r5),r0
mov.l r0,@(56,r4)
.global __movmemSI56
.global __movstrSI56
.set __movstrSI56, __movmemSI56
mov.l @(52,r5),r0
mov.l r0,@(52,r4)
.global __movmemSI52
.global __movstrSI52
.set __movstrSI52, __movmemSI52
mov.l @(48,r5),r0
mov.l r0,@(48,r4)
.global __movmemSI48
.global __movstrSI48
.set __movstrSI48, __movmemSI48
mov.l @(44,r5),r0
mov.l r0,@(44,r4)
.global __movmemSI44
.global __movstrSI44
.set __movstrSI44, __movmemSI44
mov.l @(40,r5),r0
mov.l r0,@(40,r4)
.global __movmemSI40
.global __movstrSI40
.set __movstrSI40, __movmemSI40
mov.l @(36,r5),r0
mov.l r0,@(36,r4)
.global __movmemSI36
.global __movstrSI36
.set __movstrSI36, __movmemSI36
mov.l @(32,r5),r0
mov.l r0,@(32,r4)
.global __movmemSI32
.global __movstrSI32
.set __movstrSI32, __movmemSI32
mov.l @(28,r5),r0
mov.l r0,@(28,r4)
.global __movmemSI28
.global __movstrSI28
.set __movstrSI28, __movmemSI28
mov.l @(24,r5),r0
mov.l r0,@(24,r4)
.global __movmemSI24
.global __movstrSI24
.set __movstrSI24, __movmemSI24
mov.l @(20,r5),r0
mov.l r0,@(20,r4)
.global __movmemSI20
.global __movstrSI20
.set __movstrSI20, __movmemSI20
mov.l @(16,r5),r0
mov.l r0,@(16,r4)
.global __movmemSI16
.global __movstrSI16
.set __movstrSI16, __movmemSI16
mov.l @(12,r5),r0
mov.l r0,@(12,r4)
.global __movmemSI12
.global __movstrSI12
.set __movstrSI12, __movmemSI12
mov.l @(8,r5),r0
mov.l r0,@(8,r4)
.global __movmemSI8
.global __movstrSI8
.set __movstrSI8, __movmemSI8
mov.l @(4,r5),r0
mov.l r0,@(4,r4)
.global __movmemSI4
.global __movstrSI4
.set __movstrSI4, __movmemSI4
mov.l @(0,r5),r0
mov.l r0,@(0,r4)
.global __movmem_i4_even
.global __movstr_i4_even
.set __movstr_i4_even, __movmem_i4_even
.global __movmem_i4_odd
.global __movstr_i4_odd
.set __movstr_i4_odd, __movmem_i4_odd
.global __movmemSI12_i4
.global __movstrSI12_i4
.set __movstrSI12_i4, __movmemSI12_i4
.p2align 5
mov.l r0,@(16,r4)
mov.l r1,@(20,r4)
.p2align 2
mov.l @r5+,r0
bra L_movmem_start_even
mov.l @r5+,r1
mov.l @r5+,r1
add #-4,r4
mov.l @r5+,r2
mov.l @r5+,r3
mov.l r1,@(4,r4)
mov.l r2,@(8,r4)
mov.l r3,@(12,r4)
dt r6
mov.l @r5+,r0
bt/s L_movmem_2mod4_end
mov.l @r5+,r1
add #16,r4
mov.l @r5+,r2
mov.l @r5+,r3
mov.l r0,@r4
dt r6
mov.l r1,@(4,r4)
bf/s L_movmem_loop
mov.l r2,@(8,r4)
mov.l r3,@(12,r4)
.p2align 4
mov.l @r5,r0
mov.l @(4,r5),r1
mov.l @(8,r5),r2
mov.l r0,@r4
mov.l r1,@(4,r4)
mov.l r2,@(8,r4)